标准查询 标准查询焊接消耗品.铸铁焊接用焊条,焊丝,焊条和管状焊条.分类(ISO 1071:2015)
Welding consumables - Covered electrodes, wires, rods and tubular cored electrodes for fusion welding of cast iron - Classification (ISO 1071:2015)
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标准查询Welding consumables - Covered electrodes, wires, rods and tubular cored electrodes for fusion welding of cast iron - Classification (ISO 1071:2015)
